APA (7th ed.) Citation

Kazimír, Š., Gedai, K., & Bíro-Sey, K. International Numismatic Symposium.

Chicago Style (17th ed.) Citation

Kazimír, Štefan, K. Gedai, and K. Bíro-Sey. International Numismatic Symposium.

MLA (9th ed.) Citation

Kazimír, Štefan, et al. International Numismatic Symposium.